"Bruises on the legs and arms are very common," says Fisher ... Bruises, also called contusions, appear as red, brown, bluish-purple, yellow or black circular blemishes on one's skin.

arms, and face. Most of the bruises are 1-4 centimeters (cm) in diameter, flat, and red or purple in color before gradually fading over a few weeks. Because solar purpura usually happens with ...